package com.atguigu.springbootmybatisplusrabbitmq.controller;

import com.atguigu.springbootmybatisplusrabbitmq.config.DelayedQueueConfig;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;

/**
 * 发送延迟消息
 */
@Slf4j
@RestController
@RequestMapping("/ttl")
public class SendMsgController {
    //public static final String DELAYED_EXCHANGE_NAME="delayed.exchange";
    //public static final String DELAYED_ROUTING_KEY="delayed.routingkey";

    @Autowired
    private RabbitTemplate rabbitTemplate;
    //开始发消息
    @GetMapping("/sendMsg/{message}")
    public void sendMsg(@PathVariable String message){
        log.info("当前时间：{}，发送一条消息给两个TTL队列：{}",new Date().toString(),message);
        rabbitTemplate.convertAndSend("X","XA","消息来自ttl为10s的队列："+message);
        rabbitTemplate.convertAndSend("X","XB","消息来自ttl为40s的队列："+message);
    }
    @GetMapping("/sendExpiratationMsg/{message}/{ttlTime}")
    public void sendMsg(@PathVariable String message,@PathVariable String ttlTime){
        rabbitTemplate.convertAndSend("X","XC",message,
                correlationData->{correlationData.getMessageProperties().setExpiration(ttlTime);
            return correlationData;
        });
        log.info("当前时间：{}，发送一条时长{}毫秒TTL信息给队列C:{}",new Date(),ttlTime,message);
    }
    @GetMapping("/sendDelayMsg/{message}/{delayTime}")
    public void sendDelayMsg(@PathVariable String message,@PathVariable Integer delayTime){
        log.info("当前时间：{},发送一条延迟{}毫秒的信息给延迟队列 delayed.queue:{}",new Date().toString(),delayTime,message);
        rabbitTemplate.convertAndSend(DelayedQueueConfig.DELAYED_EXCHANGE_NAME,DelayedQueueConfig.DELAYED_ROUTING_KEY,message, correlationData->{
            correlationData.getMessageProperties().setDelay(delayTime);
            return correlationData;
        });
    }
}
